Trait Compose 

pub trait Compose:
    Unpin
    + Send
    + Sync {
    // Required methods
    fn compose<'a>(
        &'a mut self,
        path: &'a str,
        args: OpRead,
    ) -> impl Future<Output = Result<(), Error>> + MaybeSend + 'a;
    fn close(
        &mut self,
    ) -> impl Future<Output = Result<Metadata, Error>> + MaybeSend;
}

Compose accepts ordered source objects and commits one destination object.

Required Methods

fn compose<'a>( &'a mut self, path: &'a str, args: OpRead, ) -> impl Future<Output = Result<(), Error>> + MaybeSend + 'a

Accept a complete source object.

A successful return means the source has been accepted in sequence. Backend work may still be pending.

fn close(&mut self) -> impl Future<Output = Result<Metadata, Error>> + MaybeSend

Commit all accepted sources and return destination metadata.

Return ErrorKind::ConfigInvalid if no source has been accepted.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl Compose for ()

async fn compose(&mut self, _: &str, _: OpRead) -> Result<(), Error>

async fn close(&mut self) -> Result<Metadata, Error>

impl<T> Compose for Box<T>

where T: ComposeDyn + ?Sized,

fn compose<'a>( &'a mut self, path: &'a str, args: OpRead, ) -> impl Future<Output = Result<(), Error>> + MaybeSend + 'a

async fn close(&mut self) -> Result<Metadata, Error>

Implementors